*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  height: 100vh;
  background: #eee;
  display: flex;
  justify-content: center;
  align-items: center;
}

.btn {
  width: 150px;
  height: 50px;
  border: 1px solid #333;
  font-family: 'Cinzel', serif;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 0;
  transition: 1s;
}

.vertical, .horizontal {
  position: absolute;
  background: #eee;
  z-index: -1;
  transition: 1s;
}

.vertical {
  height: 50px;
  width: 130px;
}

.horizontal {
  width: 150px;
  height: 30px;
}

.noselect {
  -webkit-touch-callout: none;
    -webkit-user-select: none;
     -khtml-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
            user-select: none;
}

.btn:hover .vertical {
  width: 0px;
  background: #fff;
}

.btn:hover .horizontal {
  height: 0px;
  background: #fff;
}

.btn:hover {
  background: #fff;
}